Original Research

Subvocal mucle activity during stuttering and fluent speech: A comparison

Asher Bar, Joyce Singer, Robert G. Feldman
South African Journal of Communication Disorders | Journal of the South African Logopedic Society: Vol 16, No 1 | a429 | DOI: https://doi.org/10.4102/sajcd.v16i1.429 | © 2019 Asher Bar, Joyce Singer, Robert G. Feldman | This work is licensed under CC Attribution 4.0
Submitted: 18 November 2016 | Published: 31 December 1969

About the author(s)

Asher Bar, Speech and Hearing Center, Mount Sinai School of Medicine, University of New York, United States
Joyce Singer, Massachusetts Eye and Ear Infirmary, United States
Robert G. Feldman, Department of Neurology, Boston University, United States

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Electromyography measurements utilizing needle electrodes, were made to compare the laryngeal muscle activity of a stutterer and a non-stutterer, (a) when they indicated anticipation of either difficulty or no difficulty speaking, (b) when they actually spoke. The stutterer exhibited the earliest and longest laryngeal activity when he anticipated difficulty and actually stuttered. The stutterer exhibited more intense muscle activity before speaking than the non-stutterer. Therapeutically, it is suggested that stutterers learn to control the muscle activity prior to the moment of speaking.


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